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-rw-r--r--kernel/mm/init-mm.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/kernel/mm/init-mm.c b/kernel/mm/init-mm.c
new file mode 100644
index 000000000..a56a85190
--- /dev/null
+++ b/kernel/mm/init-mm.c
@@ -0,0 +1,25 @@
+#include <linux/mm_types.h>
+#include <linux/rbtree.h>
+#include <linux/rwsem.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/cpumask.h>
+
+#include <linux/atomic.h>
+#include <asm/pgtable.h>
+#include <asm/mmu.h>
+
+#ifndef INIT_MM_CONTEXT
+#define INIT_MM_CONTEXT(name)
+#endif
+
+struct mm_struct init_mm = {
+ .mm_rb = RB_ROOT,
+ .pgd = swapper_pg_dir,
+ .mm_users = ATOMIC_INIT(2),
+ .mm_count = ATOMIC_INIT(1),
+ .mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
+ .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
+ .mmlist = LIST_HEAD_INIT(init_mm.mmlist),
+ INIT_MM_CONTEXT(init_mm)
+};